vjw0rm | 2e05ea8c7d2121d1af64ae0a03a8cd42aca8a17be7775678c2d214f47d8dbfc1

General

Target

invoice.js
Size

23KB
MD5

dabe050bb51ca8ac34498a176ac8227a
SHA1

b07d715fb5daac27e9d55c570ed3707d3858124c
SHA256

2e05ea8c7d2121d1af64ae0a03a8cd42aca8a17be7775678c2d214f47d8dbfc1
SHA512

cbb58f3f962659b91e7ffc72e3ee1d01fd31da0a9c28653d947a6285cfe5da0ceec978c00c7ed667f5bccf476cccf0d25e26dc1e673e06a41d44c7976a67cf6a

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm

Blocklisted process makes network request 35 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
12	536	wscript.exe
13	412	wscript.exe
20	412	wscript.exe
21	536	wscript.exe
26	412	wscript.exe
27	536	wscript.exe
30	412	wscript.exe
31	536	wscript.exe
34	412	wscript.exe
37	536	wscript.exe
38	412	wscript.exe
39	536	wscript.exe
40	412	wscript.exe
41	536	wscript.exe
42	412	wscript.exe
43	536	wscript.exe
45	412	wscript.exe
46	536	wscript.exe
47	412	wscript.exe
48	536	wscript.exe
49	412	wscript.exe
50	536	wscript.exe
51	412	wscript.exe
52	536	wscript.exe
53	412	wscript.exe
54	536	wscript.exe
55	412	wscript.exe
56	536	wscript.exe
57	412	wscript.exe
58	536	wscript.exe
59	412	wscript.exe
60	536	wscript.exe
61	412	wscript.exe
62	536	wscript.exe
63	536	wscript.exe

Drops startup file 3 IoCs

Processes:

wscript.exewscript.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ztRjTeZckf.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ztRjTeZckf.js	wscript.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exewscript.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\ztRjTeZckf.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\3W2CQPM6PM = "\"C:\\Users\\Admin\\AppData\\Roaming\\invoice.js\""	wscript.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

wscript.exe

description pid process target process

PID 412 wrote to memory of 536 412 wscript.exe wscript.exe
PID 412 wrote to memory of 536 412 wscript.exe wscript.exe

description	pid	process	target process
PID 412 wrote to memory of 536	412	wscript.exe	wscript.exe
PID 412 wrote to memory of 536	412	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\invoice.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:412

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\ztRjTeZckf.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:536

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\ztRjTeZckf.js
MD5
2697845d2c7ec6c8544bf5479d8b5d7f

SHA1
93bb2256e2c2402d0cc121e3c2d385fa87c43e9d

SHA256
0a779aefb4dcf1ebf73544e0a59cbf6584490e7954d2dd82772b5ef9b6a446da

SHA512
d1d4fdfd9c7b2e0284b977bdd33956c8d49c840b7dc0e618ef8f8dcc67974f2e78d7652db0ea25ad7379b3d1f33274559d648ae2b371ddeedc4a96f98bb91cec

Download Submit
memory/536-115-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads